Home / 1,064,257.28-1,596,327.60-643,420.16

Finding the Fourth Proportional to 1,064,257.28, 1,596,327.60 and 643,420.16

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Solution

The fourth proportional to 1,064,257.28, 1,596,327.60 and 643,420.16 is: 965,094.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,257.28 : 1,596,327.60 = 643,420.16 : x
  2. Step 2: Convert to fraction form
    1,064,257.28/1,596,327.60 = 643,420.16/x
  3. Step 3: Cross multiply
    1,064,257.28x = 1,596,327.60 × 643,420.16
  4. Step 4: Simplify right side
    1,064,257.28x = 1,027,109,359,804.42
  5. Step 5: Solve for x
    x = 1,027,109,359,804.42/1,064,257.28
  6. Step 6: Final answer
    x = 965,094.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.